This Orbit 57182 two-valve manifold easily extends a single sprinkler manifold system into a three-valve manifold or it can attach to a three-valve manifold to create a five-valve manifold sprinkling system. This Orbit sprinkler manifold easily connects without tools, just hand-tightening for attachment to another sprinkler valve. O-rings on all openings ensure watertight connection to prevent leaks. With high-impact, UV-resistant construction, this two-port sprinkler valve manifold ensures many years of dependable yard watering. A swivel adapter is needed to connect this Orbit 57182 2 Port Manifold to a female-threaded sprinkler manifold. Features and Benefits: Has two ports to extend an existing water sprinkler system to be more efficient, Tools are not required for installation, O-rings at every opening ensure watertight connection, Durably built to provide years of excellent lawn watering.